| Transmission properties of one-dimensional photonic crystals containing double-negative and single-negative materials |
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| 作者姓名： | 李侠 谢康 姜海明 |
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| 作者单位： | School of Opto-Electronic Information University of Electronic Science and Technology of China，School of Opto-Electronic Information University of Electronic Science and Technology of China，School of Opto-Electronic Information University of Electronic Science and Technology of China Chengdu 610054 Department of Physics，Chengdu University of Technology，Chengdu 610059，Chengdu 610054，Chengdu 610054 |
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| 基金项目： | the National Natural Science Foundation of China(No.60607005 and 60588502)，the Science and Technology Bureau of Sichuan Province(2006z02-010-3) |
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| 摘 要： | The transmission properties of one-dimensional photonic crystals containing double-negative and single- negative materials are studied theoretically.A special kind of photonic band gap is found in this structure. This gap is invariant with scaling and insensitive to thickness fluctuation.But when changing the ratio of the thickness of two media,the width of the gap could be enlarged.The defect modes are analyzed by inducing a linear defect layer in the structure.It is found that the number of defect modes will increase when the thickness of the defect layer becomes larger.
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